1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c51b050bbbc6cec3d6923315818a71736f5eb48033fd589a8cc4ec15151ee6d. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/48c7f0fa-3220-488a-957c-274b3e7350fb.json and https://artists.proofprofile.net/proofs/artist/48c7f0fa-3220-488a-957c-274b3e7350fb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wie die blauen Glockenblumen in die Welt gekommen sind (ungekürzt)
Vom König der den Schlaf wiederfand (ungekürzt)
Das Märchen vom Riesen und vom Hirten (ungekürzt)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f39ac1959da9b4caa9170be6087490a4f708547d7bfcd42a6566242cdb1f05. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO22402794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65af72647437086ed34bbe214487bd2165f6e8afe3cb5e89f7083b4517f2f525. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO22402795.
Das schöne Auto und das Pferd (ungekürzt)
Schnuppernäschen und Zappelschwänzchen (ungekürzt)
Von einem, der auszog, das Fürchten zu lernen